The three major automobile manufacturers have entered their cars in the Indianapolis 500 race. The speeds of the tested cars are given below.

At $\alpha$ = .05, test to see if there is a significant difference in the average speeds of the cars of the auto manufacturers. Use both the critical and p-value approaches.

Question

The three major automobile manufacturers have entered their cars in the Indianapolis 500 race. The speeds of the tested cars are given below.
  
At $\alpha$ = .05, test to see if there is a significant difference in the average speeds of the cars of the auto manufacturers. Use both the critical and p-value approaches.

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The Answer of The three major automobile manufacturers have entered their cars in the Indianapolis 500 race. The speeds of the tested cars are given below.
  
At $\alpha$ = .05, test to see if there is a significant difference in the average speeds of the cars of the auto manufacturers. Use both the critical and p-value approaches.

The Three Major Automobile Manufacturers Have Entered Their Cars in the Indianapolis